Home / 3,977.94-5,966.54-2,002.79

Finding the Fourth Proportional to 3,977.94, 5,966.54 and 2,002.79

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Solution

The fourth proportional to 3,977.94, 5,966.54 and 2,002.79 is: 3,004.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.94 : 5,966.54 = 2,002.79 : x
  2. Step 2: Convert to fraction form
    3,977.94/5,966.54 = 2,002.79/x
  3. Step 3: Cross multiply
    3,977.94x = 5,966.54 × 2,002.79
  4. Step 4: Simplify right side
    3,977.94x = 11,949,750.33
  5. Step 5: Solve for x
    x = 11,949,750.33/3,977.94
  6. Step 6: Final answer
    x = 3,004.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.